Crystal Index
Lunar Computing, Inc Reference iPhoneiPadiPod touch
Crystal Index is a free Reference app for iPhone and iPad by Lunar Computing, Inc. Requires iOS 17.0. Updated October 21, 2026.
- Price
- Free
- on the App Store
- Size
- 16 MB
- Age 4+
- Updated
- Oct 21
- 2026 · v1.1.1
Screenshots
About Crystal Index
Crystal Index is a reference guide and personal collection manager for crystals and stones. Browse the encyclopaedia, save the pieces you own, add photos, record where each one came from, and keep your collection organised. Use it as a practical library: search by name, colour, category, origin, element, zodiac association, and visual features. The optional identifier can help narrow down possible matches from a photo, then you can compare results against the reference entry. What is inside: - 215-crystal reference guide - Personal collection manager - Photo library for owned pieces - Optional crystal identification from photos - Background removal for clean collection images - Map references for origins and mementos - Widgets for collection highlights - Search and filters across the encyclopaedia - Private on-device storage with optional iCloud sync Free tier includes: - Full reference guide - Up to five saved crystals in your collection - Five identifications to try Premium (£4.99/month or £39.99/year, with a 7-day free trial): - Unlimited saved crystals - Custom collections to organise your crystals - Unlimited identification - Background removal - CloudKit sync - Collection widgets Crystal Index is a reference and collection tool. It describes traditional correspondences and visual properties for study and organisation. It does not provide clinical reflection or promised outcomes. Privacy Policy: https://crystalindex.co.uk/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 1.1.1 · Updated October 21, 2026
Crystals you have already seen now open instantly, even offline: photos are saved on your device after the first time. Photos you take to identify a crystal are now deleted from our server as soon as the result comes back.
App privacy
The developer, Lunar Computing, Inc, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- User Content: Photos or Videos
- Diagnostics: Other Diagnostic Data
Used for: App Functionality
Alternatives to Crystal Index
Looking for apps like Crystal Index? Here are 6 similar apps on the App Store. The highest rated is Crystal & Gem Identifier (5.0/5), and 5 of the 6 are free to download.
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CrystalVault
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Crystal & Gem Identifier
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LORE Crystal & Rock Identifier
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Laterra Gems Guide
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Crystal Index | – | Free | October 21, 2026 | |
| CrystalVault | – | Free | Oct 22, 2026 | Compare |
| Crystal & Gem Identifier | 5.0 / 5 (2) | Free | Feb 11, 2026 | Compare |
| LORE Crystal & Rock Identifier | 5.0 / 5 (1) | Free | Oct 17, 2026 | Compare |
| Laterra Gems Guide | 5.0 / 5 (1) | Free | Jul 14, 2026 | Compare |
| Selenite - Crystal Identifier | – | Free | Mar 3, 2026 | Compare |
| Rocks, Minerals, Crsytal Guide | – | 1.99 USD | Sep 28, 2026 | Compare |
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